[clang] [M68k] Change gcc register name from a7 to sp. (PR #87095)

[Jim Lin via cfe-commits]

https://github.com/tclin914 created https://github.com/llvm/llvm-project/pull/87095

In M68kRegisterInfo.td, register SP is defined with name sp and alternate name a7.

Fixes: https://github.com/llvm/llvm-project/issues/78620

>From dec6021133f67304bfc9942a1a4985cce6a15645 Mon Sep 17 00:00:00 2001
From: Jim Lin <jim at andestech.com>
Date: Sat, 30 Mar 2024 01:37:49 +0800
Subject: [PATCH] [M68k] Change gcc register name from a7 to sp

In M68kRegisterInfo.td, register SP is defined with name x7 and alternate name a7.

Fixes: https://github.com/llvm/llvm-project/issues/78620
---
 clang/lib/Basic/Targets/M68k.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/Basic/Targets/M68k.cpp b/clang/lib/Basic/Targets/M68k.cpp
index 1b7e0a7f32c9be..9e6b59f1e42a8d 100644
--- a/clang/lib/Basic/Targets/M68k.cpp
+++ b/clang/lib/Basic/Targets/M68k.cpp
@@ -127,7 +127,7 @@ bool M68kTargetInfo::hasFeature(StringRef Feature) const {
 
 const char *const M68kTargetInfo::GCCRegNames[] = {
     "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
-    "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
+    "a0", "a1", "a2", "a3", "a4", "a5", "a6", "sp",
     "pc"};
 
 ArrayRef<const char *> M68kTargetInfo::getGCCRegNames() const {